fixed issues and improved security

.gitignore

@@ -1 +1,59 @@
-*.log
+# Python cache and bytecode
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+
+# Log files - may contain sensitive paths/device info
+*.log
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+
+# Claude docs
+.claude_docs
+
+# Sensitive files that should never be committed
+*.iso
+*.img
+*.key
+*.pem
+*.p12
+*.pfx
+test_*
+*.bak
+*.backup